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Ask your QuestionWhen I switch my boiler on I have heating but no hot water. Can someone advise please?
Asked by Stefan on 6th Oct 2019Best Answer
"Have you got a combination boiler or or cylinder and boiler suspect motorised valve"
Answered on 8th Oct 2019 - Member since Mar 2019 - report"If it’s a combi boiler. Probably the divertor valve. If heat only boiler the three port valve or controller"
Answered on 8th Oct 2019 - Member since Mar 2018 - report"Is it a combi boiler or standard regular boiler? If combi then the diverter valve may be the issue and if regular then most probably the zone valve"
Answered on 10th Nov 2020 - Member since Oct 2018 - report"Hi.
Quite possibly you require a new diverter valve, as
it may have become stuck, on a combi boiler it switches from hot water to heating but when it gets stuck you either get one or the other but not both.
Hope that helps."
"This is usually a faulty 2 or 3 port motorised valve which is found by your hot water cylinder."
Answered on 13th Jan 2020 - Member since Nov 2018 - report"Hi,
Possibly you need a new diverter valve, it may be stuck."
"Depends on your system, if you have a cylinder then the first place to look is the zone valve."
Answered on 23rd Jan 2020 - Member since Jan 2020 - report"If you’ve got a thermostat, and a reset option, try that first. Alternatively try operating your boiler manually, if that still fails, it could likely be your diverter valve on the boiler."
Answered on 23rd Dec 2019 - Member since Dec 2019 - report
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